Kayla Harrison

Kayla Jean Harrison (born July 2, 1990) is an American professional mixed martial artist and former judoka. She currently competes in the women's Bantamweight division of the Ultimate Fighting Championship (UFC), where she is the current UFC Women's Bantamweight Champion. She is the first female fighter to win an Olympic gold medal and a UFC championship. She was a former two-time Professional Fighters League lightweight champion. As of June 10, 2025, she is #3 in the UFC women's pound-for-pound rankings.

In Judo, Harrison won the women’s 78 kg gold medal in the 2010 World Judo Championships and gold medals at the 2012 and 2016 Summer Olympics. In 2016, she was promoted to Rokudan (6th-degree black belt) by the United States Judo Association, becoming the youngest ever to achieve the rank. In March 2023, Harrison was inducted into the International Sports Hall of Fame. She remains the only American judoka to have won a gold medal in Judo at the Summer Olympics and the only one to have won a gold medal in the World Judo Championships.